Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
cap tong » cap nong, cap hoang, gap trong
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh trung cap tong ((cong dan) or (cong thanh)) ((than ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung cap tong ((cong dan) OR (cong thanh)) ((than ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung cap tong ((cong dan) or (cong thanh)) ((than ban) or (than man))*.